Head gasket??

[brndfrb]

2003 6.0L. Was driving home the other night and truck started acting funny. Basically it would die when you came to a stop unless you kept your foot on the break and gas. Then it got worse and wouldn't really accelerate. Couldnt tell if it was smoking cause it was dark out. Finally it got to where if you floored it it would make a real deep noise. So I pulled over and shut the truck off. Now about a month ago mechanic told me my FICM was at the lowest voltage within spec. With that said when I pulled over and opened the hood and coolant was coming out of degas bottle so I automatically thought it was the head gasket. I had a new FICM put in last night and had to remove degas bottle to do it. When I laid the bottle down fluid would come out around the cap. Truck was completely cool. So a guy told me it may not be the HG and that it could be the FICM finally went out an that the degas cap may have just been leaking. I haven't started it back up since the new FICM was put it. Mainly cause I'm scared to start it. Any thoughts and input would be great.


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[sinner6.0L]

Once the cap blows off pressure it usually won't seal right again

You really should get it scanned for any codes to give you an idea. You may be looking at gaskets or a egr cooler but it's hard to say for sure

Right now I would pull the EGR valve out and have a look.

[brndfrb]

I will try that. Should I try starting it?


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[brndfrb]

Does anyone else have any suggestions? Should i try to start it up? Have been afraid to for fear it will tear something up

[dieselmatt]

If your gaskets are toast you are not going to do that much additional damage by starting it for a short period of time. I wouldn't drive it though...

[brndfrb]

Ok. Guess i am trying to for sure see if they are blown.

[brndfrb]

So what am I looking for if my HG are blown??


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[brndfrb]

Well i tried starting it today. Something wierd it that both batteries where dead. Had them on the charger for like 6 hours and it still didnt even register on the charger. Not sure whats going on that. But the one time it tried to crank over it didnt sound right at all. I am not sure how to explain how it sounded. Just a clunk and thats it.